CVID is frequently diagnosed in male and female individuals with hypogammaglobulinaemia of unknown aetiology. To examine the possibility that sporadic male cases with X-linked agammaglobulinaemia… (More)

A 70-year-old man was admitted to our hospital for examination of an abnormal shadow found on a chest radiograph. Chest CT showed a nodular shadow in the left upper lobe S1+2. We diagnosed non-small… (More)

BACKGROUND
X-linked agammaglobulinemia (XLA), caused by mutations in Bruton's tyrosine kinase (BTK ), is the most common form of inherited antibody deficiency. We previously reported that a flow… (More)